public void testGetCBRContext()
{
CBRContextManager.Load("engine1", path);
ICBRContext ctx = CBRContextManager.GetCBRContext("engine1"); //path);
System.Console.WriteLine(ctx.GetCaseBase().ToString());
System.Console.WriteLine(ctx.GetCaseBase().GetEnv());
System.Console.WriteLine(ctx.GetCaseBaseInput().ToString());
System.Console.WriteLine(ctx.GetCaseBaseInputType().ToString());
System.Console.WriteLine(ctx.GetCaseRestoreMethod().ToString());
System.Console.WriteLine(ctx.GetCaseRestoreMethod().GetEnv());
System.Console.WriteLine(ctx.GetCaseRetrievalMethod().ToString());
System.Console.WriteLine(ctx.GetCaseRetrievalMethod().GetEnv());
System.Console.WriteLine(ctx.GetCaseReuseMethod().ToString());
System.Console.WriteLine(ctx.GetCaseReuseMethod().GetEnv());
System.Console.WriteLine(ctx.GetCaseReuseStrategy().ToString());
System.Console.WriteLine(ctx.GetCaseReuseStrategy().GetEnv());
System.Console.WriteLine(ctx.GetSimilarity().ToString());
System.Console.WriteLine(ctx.GetSimilarity().GetEnv());
System.Console.WriteLine(ctx.GetSimilarityThrehold().ToString());
}
/// <summary>
/// compute the similarity of case base's cases and problem case
///
/// </summary>
/// <param name="cases"></param>
/// <param name="problem"></param>
/// <returns></returns>
public ArrayList ComputeSimilarity(ArrayList cases, Case problem)
{
if (_env == null)
{
throw new ContextException("environment variable is not set");
}
ICBRContext ctx = CBRContextManager.GetCBRContext(_env);
if (ctx == null)
{
throw new ContextException("not set context");
}
ISimilarity sim = (ISimilarity)ctx.GetSimilarity();
if (sim == null)
{
throw new ContextException("similarity method is not set");
}
ArrayList stats = new ArrayList();
double similarityThrehold = ctx.GetSimilarityThrehold();
for (int i = 0; i < cases.Count; i++)
{
Case solution = (Case)cases[i];
double similarity = sim.Compare(problem, solution);
//continue if the similarity by comparing is lower than the
//similarity threhold in context setting
if (similarity < similarityThrehold)
{
continue;
}
IStat s = StatFactory.newInstance();
s.SetCBRCase(solution);
s.SetCaseSimilarity(similarity);
//bi-sort similarity
if (stats.Count <= 0)
{
stats.Add(s);
continue;
}
SortSimilarity(stats, s);
}
return(stats);
}
public bool Startup()
{
if (_env == null ||
CBRContextManager.GetCBRContext(_name) == null)
{
System.Console.WriteLine("environment is not set or context is null");
return(false);
}
_ctx = CBRContextManager.GetCBRContext(_name);
if (_problem == null)
{
System.Console.WriteLine("problem is not set");
return(false);
}
_ctx.SetCurrentCase(_problem);
#region only for test
if (Version.DEBUG)
{
System.Console.WriteLine("=====context detail=====");
System.Console.WriteLine("Reasoning Engine startup successfully!");
System.Console.WriteLine("problem case is:");
for (int i = 0; i < _problem.GetFeatures().Count; i++)
{
Feature f = (Feature)_problem.GetFeatures()[i];
System.Console.WriteLine("\t" + f.GetFeatureName() + ":" + f.GetFeatureValue());
}
System.Console.WriteLine("context is:");
System.Console.WriteLine("case base\t" + _ctx.GetCaseBase().ToString());
System.Console.WriteLine("case base input\t" + _ctx.GetCaseBaseInput().ToString());
System.Console.WriteLine("case base input type\t" + _ctx.GetCaseBaseInputType().ToString());
System.Console.WriteLine("case base url\t" + _ctx.GetCaseBaseURL().ToString());
System.Console.WriteLine("case restore method\t" + _ctx.GetCaseRestoreMethod().ToString());
System.Console.WriteLine("case retrieval method\t" + _ctx.GetCaseRetrievalMethod().ToString());
System.Console.WriteLine("case reuse method\t" + _ctx.GetCaseReuseMethod().ToString());
System.Console.WriteLine("case reuse strategy\t" + _ctx.GetCaseReuseStrategy().ToString());
System.Console.WriteLine("case revise method\t" + _ctx.GetCaseReviseMethod().ToString());
System.Console.WriteLine("current case\t" + _ctx.GetCurrentCase().ToString());
System.Console.WriteLine("similarity\t" + _ctx.GetSimilarity().ToString());
System.Console.WriteLine("similarity threhold\t" + _ctx.GetSimilarityThrehold().ToString());
System.Console.WriteLine("=====end of context detail=====");
}
#endregion
return(true);
}